/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import {
    CompactPipelineTemplate,
    Pipeline,
    PipelineTemplateGenerationRequest,
} from '../model/gen/streampipes-model';
import { map } from 'rxjs/operators';
import { Observable } from 'rxjs';

@Injectable({
    providedIn: 'root',
})
export class PipelineTemplateService {
    constructor(private http: HttpClient) {}

    getServerUrl() {
        return '/streampipes-backend';
    }

    findAll(): Observable<CompactPipelineTemplate[]> {
        return this.http.get<CompactPipelineTemplate[]>(`${this.baseUrl}`);
    }

    findById(id: string): Observable<CompactPipelineTemplate> {
        return this.http.get<CompactPipelineTemplate>(`${this.baseUrl}/${id}`);
    }

    getPipelineForTemplate(
        id: string,
        request: PipelineTemplateGenerationRequest,
    ): Observable<Pipeline> {
        return this.http
            .post(`${this.baseUrl}/${id}/pipeline`, request)
            .pipe(map(res => Pipeline.fromData(res as any)));
    }

    get baseUrl(): string {
        return `${this.getServerUrl()}/api/v2/pipeline-templates`;
    }
}
